Samsung Galaxy M21 2021 has better RAM than Lava Z81. In terms of display resolution, Samsung Galaxy M21 2021 has better resolution of 2340 x 1080 than Lava Z81 which has resolution of 1440 x 720. Samsung Galaxy M21 2021 has more internal memory than Lava Z81
Name | Samsung Galaxy M21 2021 | Lava Z81 |
RAM | 4 GB | 3 GB |
---|---|---|
Display | 6.4 in | 5.7 in |
Internal Memory | 64 GB | 32 GB |
Battery | 6000 mAh | 3000 mAh |
Camera | 48 MP + 8 MP + 5 MP Triple | 13 MP |
Price | Rs. 13499 | Rs. 5749 |
The launch Date of the first phone is July 21, 2021. The cost of Samsung Galaxy M21 2021 is Rs. 13499. The launch Date of the second phone is November, 2018. The cost of Lava Z81 is Rs. 5749.
Lava Z81 has screen size of 5.7 inches which falls short to Samsung Galaxy M21 2021's 6.4 inch screen. Samsung Galaxy M21 2021 has Super AMOLED Screen type where as Lava Z81 has IPS LCD Screen type. Samsung's phone has display density of 403 PPI & Lava's phone has only 282 PPI display density. In terms of screen to body ratio, Samsung's phone has better screen to body ratio of ~ 84.2% than Lava's phone ~ 75.46%. Samsung Galaxy M21 2021 has 19.5:9 aspect ratio where as Lava Z81 has 18:9 aspect ratio.
Samsung Galaxy M21 2021's larger 4 GB RAM is better for playing games and all with respect to Lava Z81's lower 3 GB RAM. Samsung Galaxy M21 2021 has more Internal Memory (64 GB) than Lava Z81 (32 GB).
Samsung Galaxy M21 2021's 48 MP + 8 MP + 5 MP Triple Rear Camera outclasses Lava Z81's 13 MP Rear Camera in terms of resolution. Samsung Galaxy M21 2021 will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Lava Z81's 13 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on v8.1 (Oreo) version.
Name | Samsung Galaxy M21 2021 | Lava Z81 |
General | ||
Model | Galaxy M21 2021 | Z81 |
Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
Dual Sim | Yes | Yes |
Sim Size | Nano+Nano SIM | Nano+Nano SIM |
Device Type | Smartphone | Smartphone |
Release Date | July 21, 2021 | November, 2018 |
Design | ||
Dimensions | 75.1 x 159 x 9 mm | 73 x 152.2 x 7.9 mm |
Weight | 192 g | 141.6 g |
Display | ||
Type | Color Super AMOLED Screen (16M Colors) | Color IPS LCD Screen (16M Colors) |
Touch | Yes | Yes |
Size | 6.4 inches, 1080 x 2340 pixels, 60 Hz | 5.7 inches, 720 x 1440 pixels |
Aspect Ratio | 19.5:9 | 18:9 |
PPI | ~ 403 PPI | ~ 282 PPI |
Screen to Body Ratio | ~ 84.2% | ~ 75.46% |
Glass Type | Corning Gorilla Glass 3 | |
Features | 420 nits (peak) | Corning Gorilla Glass 3 |
Notch | Yes, Water Drop Notch | |
Memory | ||
RAM | 4 GB | 3 GB |
Storage | 64 GB | 32 GB |
Card Slot | Yes, upto 512 GB | Yes, upto 128 GB |
Connectivity | ||
GPRS | Yes | Yes |
EDGE | Yes | Yes |
3G | Yes | Yes |
4G | Yes | Yes |
VoLTE | Yes | Yes |
Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
Bluetooth | Yes, v5.0 | Yes, v4.1 |
USB | Yes, USB-C v2.0 | Yes, microUSB |
USB Features | USB on-the-go, USB Charging | |
Extra | ||
GPS | Yes, with A-GPS, Glonass, Beidou, Galileo | yes with A-GPS, Glonass |
Fingerprint Sensor | Yes, Rear | Yes |
Face Unlock | Yes | |
Sensors | Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing | Light sensor, Proximity sensor, Accelerometer |
3.5mm Headphone Jack | Yes | Yes |
Camera | ||
Rear Camera | 48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor) | 13 MP |
Auto Focus | Yes | Yes |
Features | Panorama, HDR | Digital Zoom, Auto Flash, Face detection, Touch to focus |
Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Flash | Yes, LED | Yes, LED |
Front Camera | 20 MP ƒ/2 (Wide Angle) | 13 MP LED Flash |
Front Video Recording | 1080p @ 30 fps FHD | |
Technical | ||
OS | Android v11 | Android v8.1 (Oreo) |
Chipset | Samsung Exynos 9611 | MediaTek Helio A22 |
CPU | 2.3 GHz, Octa Core Processor | 2 GHz, Quad Core Processor |
Core Details | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | |
GPU | Mali-G72 MP3 | PowerVR GE8300 |
Java | No | No |
Browser | Yes, supports HTML5 | Yes, supports HTML5 |
Multimedia | ||
Yes | Yes | |
Music | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA | Yes |
Video | MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM | Yes |
FM Radio | Yes | Yes |
Document Reader | Yes | Yes |
Battery | ||
Type | Non-Removable Battery | Non-Removable Battery |
Size | 6000 mAh, Li-Po Battery | 3000 mAh, Li-Po Battery |
Fast Charging | Yes, 15W Fast Charging | |
Talk Time | 49 hours | |
Music Playback Time | 131 hours |